IO-1937 Add 10mb limit for emails.

client/src/components/email-overlay/email-overlay.component.jsx

@@ -180,6 +180,23 @@ export function EmailOverlayComponent({
               }
               return e && e.fileList;
             }}
+            rules={[
+              ({ getFieldValue }) => ({
+                validator(rule, value) {
+                  const totalSize = value.reduce(
+                    (acc, val) => (acc = acc + val.size),
+                    0
+                  );
+
+                  const limit = 9961472;
+
+                  if (totalSize > limit) {
+                    return Promise.reject(t("general.errors.sizelimit"));
+                  }
+                  return Promise.resolve();
+                },
+              }),
+            ]}
           >
             <Upload.Dragger
               beforeUpload={Upload.LIST_IGNORE}